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// 2007-02-22  Paolo Carlini  <pcarlini@suse.de> 
//
// Copyright (C) 2007, 2009 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.
 
// 6.3.4.5  Class template unordered_multiset
 
#include <tr1/unordered_set>
#include <string>
#include <testsuite_hooks.h>
 
// In the occasion of libstdc++/25896
void test01()
{
  bool test __attribute__((unused)) = true;
 
  typedef std::tr1::unordered_multiset<std::string> Mset;
  typedef Mset::iterator       iterator;
  typedef Mset::const_iterator const_iterator;
 
  Mset ms1;
 
  ms1.insert("because to why");
  ms1.insert("the stockholm syndrome");
  ms1.insert("a cereous night");
  ms1.insert("eeilo");
  ms1.insert("protean");
  ms1.insert("the way you are when");
  ms1.insert("tillsammans");
  ms1.insert("umbra/penumbra");
  ms1.insert("belonging (no longer mix)");
  ms1.insert("one line behind");
  VERIFY( ms1.size() == 10 );
 
  VERIFY( ms1.erase("eeilo") == 1 );
  VERIFY( ms1.size() == 9 );
  iterator it1 = ms1.find("eeilo");
  VERIFY( it1 == ms1.end() );
 
  VERIFY( ms1.erase("tillsammans") == 1 );
  VERIFY( ms1.size() == 8 );
  iterator it2 = ms1.find("tillsammans");
  VERIFY( it2 == ms1.end() );
 
  // Must work (see DR 526)
  iterator it3 = ms1.find("belonging (no longer mix)");
  VERIFY( it3 != ms1.end() );
  VERIFY( ms1.erase(*it3) == 1 );
  VERIFY( ms1.size() == 7 );
  it3 = ms1.find("belonging (no longer mix)");
  VERIFY( it3 == ms1.end() );
 
  VERIFY( !ms1.erase("abra") );
  VERIFY( ms1.size() == 7 );
 
  VERIFY( !ms1.erase("eeilo") );
  VERIFY( ms1.size() == 7 );
 
  VERIFY( ms1.erase("because to why") == 1 );
  VERIFY( ms1.size() == 6 );
  iterator it4 = ms1.find("because to why");
  VERIFY( it4 == ms1.end() );
 
  iterator it5 = ms1.find("umbra/penumbra");
  iterator it6 = ms1.find("one line behind");
  VERIFY( it5 != ms1.end() );
  VERIFY( it6 != ms1.end() );
 
  VERIFY( ms1.find("the stockholm syndrome") != ms1.end() );
  VERIFY( ms1.find("a cereous night") != ms1.end() );
  VERIFY( ms1.find("the way you are when") != ms1.end() );
  VERIFY( ms1.find("a cereous night") != ms1.end() );
 
  VERIFY( ms1.erase(*it5) == 1 );
  VERIFY( ms1.size() == 5 );
  it5 = ms1.find("umbra/penumbra");
  VERIFY( it5 == ms1.end() );
 
  VERIFY( ms1.erase(*it6) == 1 );
  VERIFY( ms1.size() == 4 );
  it6 = ms1.find("one line behind");
  VERIFY( it6 == ms1.end() );
 
  iterator it7 = ms1.begin();
  iterator it8 = it7;
  ++it8;
  iterator it9 = it8;
  ++it9;
 
  VERIFY( ms1.erase(*it8) == 1 );
  VERIFY( ms1.size() == 3 );
  VERIFY( ++it7 == it9 );
 
  iterator it10 = it9;
  ++it10;
  iterator it11 = it10;
 
  VERIFY( ms1.erase(*it9) == 1 );
  VERIFY( ms1.size() == 2 );
  VERIFY( ++it10 == ms1.end() );
 
  VERIFY( ms1.erase(ms1.begin()) != ms1.end() );  
  VERIFY( ms1.size() == 1 );
  VERIFY( ms1.begin() == it11 );
 
  VERIFY( ms1.erase(*ms1.begin()) == 1 );  
  VERIFY( ms1.size() == 0 );
  VERIFY( ms1.begin() == ms1.end() );
}
 
int main()
{
  test01();
  return 0;
}